Search a number
-
+
1230332057 is a prime number
BaseRepresentation
bin100100101010101…
…0110000010011001
310011202002100021222
41021111112002121
510004431111212
6322030141425
742326435633
oct11125260231
93152070258
101230332057
11581543759
122a4051875
13167b84646
14b9587a53
157302cc72
hex49556099

1230332057 has 2 divisors, whose sum is σ = 1230332058. Its totient is φ = 1230332056.

The previous prime is 1230332021. The next prime is 1230332063. The reversal of 1230332057 is 7502330321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1154572441 + 75759616 = 33979^2 + 8704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230332057 - 222 = 1226137753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230332657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615166028 + 615166029.

It is an arithmetic number, because the mean of its divisors is an integer number (615166029).

Almost surely, 21230332057 is an apocalyptic number.

It is an amenable number.

1230332057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230332057 is an equidigital number, since it uses as much as digits as its factorization.

1230332057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 1230332057 is about 35076.0895340401. The cubic root of 1230332057 is about 1071.5376782443.

Adding to 1230332057 its reverse (7502330321), we get a palindrome (8732662378).

The spelling of 1230332057 in words is "one billion, two hundred thirty million, three hundred thirty-two thousand, fifty-seven".